Rust-oleum 250041H Varathane Exterior Spar Urethane 1 Qt

Product Description

The RUST-OLEUM 250041H is a water-based exterior spar urethane finish formulated for outdoor wood surfaces exposed to moisture, UV light, and temperature changes. It applies as a clear gloss coat and cures to a durable protective film. Coverage runs approximately 400 square feet per gallon over smooth surfaces. Dry time is fast: touch-dry in 1 hour, ready to recoat in 2 to 3 hours. Cleanup requires only soap and water. This finish is installed by finish carpenters, boat maintenance technicians, and skilled DIYers working on exterior wood protection projects.

The 250041H is suited for exterior wood applications including entry doors, outdoor furniture, and marine surfaces such as boat trim and cabinetry. The water-based formula is appropriate for use in environments where low VOC content is preferred or required. Its fast dry time makes it practical for multi-coat applications completed within a single workday, reducing project turnaround time in both residential and light commercial settings.

Key Features

• Water-based formula with soap and water cleanup
• Clear gloss finish for exterior wood surfaces
• Coverage approximately 400 square feet per gallon over smooth surfaces
• Touch-dry in 1 hour, recoat in 2 to 3 hours
• Formulated for exterior doors, outdoor furniture, and boat applications

Compatibility

Designed as a water-based exterior topcoat for bare or previously finished exterior wood surfaces including doors, furniture, and marine woodwork.

Installation Notes

Surface preparation is critical — wood should be clean, dry, and free of dust, grease, or loose finish before application. Apply with a high-quality synthetic bristle brush or foam applicator in thin, even coats. Lightly sand between coats with fine-grit sandpaper for best adhesion. Work in conditions that meet the manufacturer coating temperature range and avoid application in direct sunlight or high humidity.